Saptono, Singgih, Departement of Mining Engineering, UPN Veteran Yogyakarta
-
Vol 1, No 1 (2020): Peran Digital Society dalam Pemulihan Pasca Pandemi - General
ROCK MASS RATING AND GEOLOGICAL STRENGTH INDEX OF ROCK MASSES OF INDONESIA COAL MINING AREAS
Abstract PDF
ISSN: 1979-2328